5256516543 has 8 divisors (see below), whose sum is σ = 7009087488. Its totient is φ = 3504144984.

The previous prime is 5256516511. The next prime is 5256516563. The reversal of 5256516543 is 3456156525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5256516543 - 2⁵ = 5256516511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5256516495 and 5256516504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256516563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29896 + ... + 106802.

It is an arithmetic number, because the mean of its divisors is an integer number (876135936).

Almost surely, 2^5256516543 is an apocalyptic number.

5256516543 is a deficient number, since it is larger than the sum of its proper divisors (1752570945).

5256516543 is a wasteful number, since it uses less digits than its factorization.

5256516543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99693.

The product of its digits is 540000, while the sum is 42.

The square root of 5256516543 is about 72501.8382042828. The cubic root of 5256516543 is about 1738.7321259815.

The spelling of 5256516543 in words is "five billion, two hundred fifty-six million, five hundred sixteen thousand, five hundred forty-three".